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| author | Eric Christopher <echristo@gmail.com> | 2019-04-17 04:52:47 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@gmail.com> | 2019-04-17 04:52:47 +0000 |
| commit | cee313d288a4faf0355d76fb6e0e927e211d08a5 (patch) | |
| tree | d386075318d761197779a96e5d8fc0dc7b06342b /llvm/test/Transforms/LoopVectorize/bsd_regex.ll | |
| parent | c3d6a929fdd92fd06d4304675ade8d7210ee711a (diff) | |
| download | bcm5719-llvm-cee313d288a4faf0355d76fb6e0e927e211d08a5.tar.gz bcm5719-llvm-cee313d288a4faf0355d76fb6e0e927e211d08a5.zip | |
Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.
Will be re-reverting again.
llvm-svn: 358552
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/bsd_regex.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/bsd_regex.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/bsd_regex.ll b/llvm/test/Transforms/LoopVectorize/bsd_regex.ll new file mode 100644 index 00000000000..ddb00ba31e1 --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/bsd_regex.ll @@ -0,0 +1,38 @@ +; RUN: opt -S -loop-vectorize -dce -instcombine -force-vector-width=2 -force-vector-interleave=2 < %s | FileCheck %s + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" + +;PR 15830. + +;CHECK-LABEL: @foo( +; When scalarizing stores we need to preserve the original order. +; Make sure that we are extracting in the correct order (0101, and not 0011). +;CHECK: extractelement <2 x i64> {{.*}}, i32 0 +;CHECK: extractelement <2 x i64> {{.*}}, i32 1 +;CHECK: extractelement <2 x i64> {{.*}}, i32 0 +;CHECK: extractelement <2 x i64> {{.*}}, i32 1 +;CHECK: store +;CHECK: store +;CHECK: store +;CHECK: store +;CHECK: ret + +define i32 @foo(i32* nocapture %A) { +entry: + br label %for.body + +for.body: + %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] + %0 = shl nsw i64 %indvars.iv, 2 + %arrayidx = getelementptr inbounds i32, i32* %A, i64 %0 + store i32 4, i32* %arrayidx, align 4 + %indvars.iv.next = add i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv.next to i32 + %exitcond = icmp eq i32 %lftr.wideiv, 10000 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret i32 undef +} + + |
